Telescopic well lid opening device

Abstract

The utility model provides a telescopic well lid opening device. The telescopic well lid opening device comprises a handheld part, an operation part and a telescopic part connected with the handheld part and the operation part. The telescopic part is composed of a plurality of hollow cylindrical sleeves which are sequentially connected in a sleeved mode, and the sleeve of the upper stage is inserted into the sleeve of the lower stage in a sliding mode to form a telescopic structure; a limiting device is arranged between the connecting ends of every two adjacent sleeves, and one sleeve is locked on the limiting device through relative sliding of the sleeves in the vertical direction. The device is small, exquisite and portable, has the telescopic function and can be contained in a tool bag, the effect of being convenient to carry is achieved, the working efficiency is improved accordingly, and then the problem that a traditional well lid opening device is inconvenient to carry is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of underground pipe network maintenance, in particular to a telescopic well lid opening device. BACKGROUND

[0002] Underground pipelines have now spread to all urban areas, and are distributed in every corner of the city. The ground usually has various cable wells, sewage wells, rainwater wells, etc. Workers usually need to use tools to open various underground well covers when maintaining underground pipe networks.

[0003] The existing technology has the following problems in opening the power well cover:

[0004] The existing well cover opening tool is a common iron hook. This type of tool is heavy and long, which is not convenient to carry and use. Maintenance workers usually do not use special tool bags for storage when using tools for maintenance, and there is no professional storage tool for storage, which is not convenient to carry and operate, and reduces work efficiency.

[0005] Therefore, it is urgent to provide a telescopic well lid opening device to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0006] Therefore, in order to overcome the defects of the prior art, the present application provides a telescopic well lid opening device, which is small and portable, has a telescopic function, can be installed in a tool bag, and has the effect of being easy to carry, thereby improving work efficiency.

[0007] In order to achieve the above purpose, the following technical solutions are adopted in the present application:

[0008] The present application provides a telescopic well lid opening device, comprising: a handheld part, an operating part, and a telescopic part connecting the handheld part and the operating part; the telescopic part is composed of a plurality of hollow cylindrical sleeves that are sequentially sleeved, each upper sleeve can be slidably inserted into a lower sleeve to form a telescopic structure; a limiting device is arranged between the connecting ends of each two adjacent sleeves, and one of the sleeves is locked in the limiting device by vertical relative sliding between the sleeves.

[0009] Optionally, the upper end of the uppermost sleeve is connected with the handheld part, and the lower end of the lowermost sleeve is connected with the operating part.

[0010] Optionally, the limiting device comprises a bolt and an elastic member; the outer wall of the upper sleeve is provided with a receiving groove, the bolt is movably inserted into the receiving groove, and the elastic member connects the bolt and the groove bottom of the receiving groove; the outer wall of the lower sleeve is provided with a positioning hole for inserting the bolt.

[0011] Optionally, the inner wall of the sleeve is provided with a guide groove, the guide groove and the positioning hole are communicated; the guide groove is arranged along the length direction of the sleeve; the bolt is vertically slidably connected along the guide groove.

[0012] Optionally, the elastic member comprises a spring, one end of the spring is connected to the groove bottom of the accommodating groove, and the other end of the spring is connected to the bolt.

[0013] Optionally, the bolt is provided with a fixing screw hole on each side along the radial direction of the bolt; the bolt is inserted into the inner quarter of the spring, and the two ends of the bolt after being threadedly connected to the fixing screw holes are connected to the two sides of the spring respectively.

[0014] Optionally, the hand holding part comprises a hand holding circular tube, and the hand holding circular tube is arranged perpendicularly to the telescopic part.

[0015] Optionally, the operation part comprises an operation circular steel, and the operation circular steel is arranged perpendicularly to the telescopic part.

[0016] Advantages of the present application:

[0017] The present application discloses a telescopic well lid opening device, when the well lid needs to be opened for maintenance work, the telescopic part is stretched, fixed through the limiting device between adjacent sleeves, and then the whole device can be held by the hand holding part, the well lid is operated by the operation part at the end, the operator does not need to use the traditional tool, the device is small and light, is more convenient to operate and use, improves the work efficiency, and the device has simple structure, is convenient to manufacture, move and assemble, and materials are easy to collect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a front view of a telescopic well lid opening device in the embodiment of the present application;

[0019] Figure 2 FIG. 2 is a side view of the telescopic well lid opening device in the embodiment of the present application;

[0020] Figure 3 FIG. 3 is a sectional view of the sleeve in the embodiment of the present application.

[0021] REFERENCE SIGNS:

[0022] 10, hand holding part; 20, telescopic part; 21, sleeve; 211, accommodating groove; 212, positioning hole; 213, guide groove; 30, operation part; 40, limiting device; 41, bolt; 42, elastic member; 43, fixing screw. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0024] It should be noted that the illustrations provided in this embodiment are only schematic representations of the basic concept of this application. Therefore, the drawings only show the components related to this application and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0025] The orientations or positional relationships indicated by terms such as "upper," "lower," "left," "right," "middle," "longitudinal," "lateral," "horizontal," "inner," "outer," "radial," and "circumferential" used in this specification are based on the orientations or positional relationships shown in the accompanying drawings and are used only for the purpose of simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] This application provides a telescopic manhole cover opening device. By setting a telescopic part, the original length of the device can be shortened, making it easy to put in a tool bag and thus improving work efficiency.

[0027] The following describes in detail, with reference to the accompanying drawings, a telescopic manhole cover opening device provided in this application embodiment. Please refer to the accompanying drawings. Figure 1 and Figure 2 As shown, it includes a handheld part 10, an operating part 30, and a telescopic part 20 connecting the handheld part 10 and the operating part 30; wherein, the telescopic part 20 is composed of a plurality of hollow cylindrical sleeves 21 that are sequentially sleeved together, and each upper-level sleeve 21 can be slidably inserted into the lower-level sleeve 21 to form a telescopic structure. A limiting device 40 is provided between the connecting ends of each pair of adjacent sleeves 21, and one of the sleeves 21 is locked in the limiting device 40 by the vertical relative sliding between the sleeves 21.

[0028] In the embodiment, by setting the telescopic part 20 with telescopic function between the handheld part 10 and the operation part 30, the telescopic part 20 can be telescoped to adjust the length during use, thereby facilitating the operator to hold the handheld part 10 and operate the operation part 30. When not in use, the telescopic part 20 can be telescoped to shorten the length, thereby facilitating storage and being able to be installed in a tool bag. Compared with the prior art, the device is small and portable, and is more convenient to operate and use, thereby improving work efficiency. The material of the device can be determined according to different use scenarios, such as cement well covers, silicon plastic well covers, high polymer mold well covers, cast iron well covers, etc., and is determined according to the actual use environment.

[0029] In the embodiment, it should be noted that the handheld part 10 includes a handheld round pipe, which is a hollow round pipe, and the material can be selected to have high strength and light weight. The length of the handheld round pipe can be set according to the actual application scenario and the use habit of the operator, and is not specifically limited in the embodiment. The handheld round pipe and the telescopic part 20 are arranged vertically, that is, the handheld round pipe and the telescopic part 20 are T-shaped.

[0030] In the embodiment, it should be noted that the operation part 30 includes an operation round steel, which is a solid round steel and is made of steel or stainless steel material. The round steel made of such material has high strength and long service life. The length of the operation round steel can be determined according to the actual application scenario. The shape of the operation round steel can be set as a cylindrical shape or other shapes. The operation round steel is set according to the shape of the manhole of the well cover. The conventional manhole is long and strip-shaped. The operation round steel is put into the manhole along the manhole, and then is rotated by 90 degrees to make the operation round steel and the manhole staggered, thereby enabling the well cover to be opened.

[0031] In the embodiment, it should be noted that the upper end of the uppermost sleeve 21 is connected with the handheld part 10, and the lower end of the lowermost sleeve 21 is connected with the operation part 30. The connection between the top sleeve 21 and the handheld part 10 can be welding, and the connection between the sleeve 21 and the handheld part 10 must be firm and reliable. The connection between the bottom sleeve 21 and the operation part 30 can be welding, and the connection between the sleeve 21 and the operation part 30 must be firm and reliable.

[0032] In one possible implementation, the telescopic part 20 can be designed and determined to have a telescopic length according to the actual use environment, the inspection opening of the well cover, and different application scenarios. The sleeve 21 of the telescopic part 20 can be made of high-strength material such as steel or stainless steel, and the wall thickness can be selected according to the actual use environment.

[0033] The number of telescopic nodes of the telescopic part 20 in the embodiment can be selected according to the actual use environment, and can be multiple nodes. In the embodiment, only two telescopic nodes are set, that is, three sleeve pipes 21 are used to realize two telescopic nodes.

[0034] The three sleeve pipes 21 are sequentially sleeved, the diameters of the sleeve pipes 21 are sequentially reduced from large to small by one unit, and then the sleeve pipes 21 can be sequentially sleeved. The limiting device 40 is arranged between the connecting ends of the adjacent two sleeve pipes 21, and the limiting device 40 can prevent the sleeve pipes 21 from falling off during telescopic adjustment.

[0035] Please refer to Figures 1-3 The limiting device 40 includes a bolt 41 and an elastic member 42. The outer wall of the upper sleeve pipe 21 is provided with a receiving groove 211. The receiving groove 211 can be circular and extends radially from the outer wall of the sleeve pipe 21 without penetrating the inside of the sleeve pipe 21. The bolt 41 is movably arranged in the receiving groove 211 and matched with the receiving groove 211. The elastic member 42 is arranged in the receiving groove 211 and connected to the bottom of the receiving groove 211 and the bolt 41. The length of the elastic member 42 is smaller than the depth of the receiving groove 211, and the front end of the bolt 41 is exposed outside the receiving groove 211 in the initial state, that is, before being compressed, so that the front end of the bolt 41 can be pressed during adjustment. The outer wall of the lower sleeve pipe 21 is provided with a positioning hole 212 for inserting the bolt 41. The positioning hole 212 is circular and matched with the bolt 41. When the upper sleeve pipe 21 is inserted into the lower sleeve pipe 21, the bolt 41 of the outer wall of the upper sleeve pipe 21 is inserted into the positioning hole 212 of the outer wall of the lower sleeve pipe 21 to fix the two. Of course, by pressing the bolt 41, the bolt 41 can be separated from the positioning hole 212. At this time, the upper sleeve pipe 21 can be shrunk into the lower sleeve pipe 21. Then, the elastic member 42 can always pop out the bolt 41 to press the inner wall of the lower sleeve pipe 21, so that the upper sleeve pipe 21 will not fall out even when it is shrunk into the lower sleeve pipe 21.

[0036] For the present embodiment, the lower end outer wall of the top sleeve 21 is provided with a positioning hole 212, the upper end outer wall of the middle sleeve 21 is provided with a limiting device 40, the lower end outer wall is provided with a positioning hole 212, and the upper end outer wall of the bottom sleeve 21 is provided with a limiting device 40. Thus, when the upper end of the middle sleeve 21 is movably arranged in the top sleeve 21, the middle sleeve 21 is slid until the limiting device 40 and the positioning hole 212 correspond to realize clamping, and the connection and fixation between the middle sleeve 21 and the top sleeve 21 are completed; when the upper end of the bottom sleeve 21 is movably arranged in the middle sleeve 21, the bottom sleeve 21 is slid until the limiting device 40 and the positioning hole 212 correspond to realize clamping, and the connection and fixation between the bottom sleeve 21 and the middle sleeve 21 are completed. Therefore, the inner wall of the top sleeve and the middle sleeve 21 is also provided with a guide groove 213, the guide groove 213 and the positioning hole 212 are connected, the guide groove 213 extends along the length direction of the sleeve 21, the front end of the bolt 41 is matched with the guide groove 213, and is vertically slidably connected along the guide groove 213. By arranging the guide groove 213, the sleeve 21 can not be displaced during extension and contraction, and in repeated extension and contraction, it is vertically translated along the track, the bolt 41 is popped out of the positioning hole 212 according to the track of the guide groove 213, and then is clamped under stress.

[0037] In some embodiments, the elastic member 42 includes a spring, one end of the spring is connected to the groove bottom of the accommodating groove 211, and the other end is connected to the bolt 41. By using the spring to provide elastic force, the service period is long.

[0038] Preferably, the outer wall of the bolt 41 is provided with a fixed screw hole through the two sides in the radial direction, the rear end of the bolt 41 is inserted into the inner quarter of the spring, and the two ends after the fixed screw hole are respectively connected to the two sides of the spring through the threaded connection of the fixed screw 43. By using such a connection mode, the connection effect between the bolt 41 and the spring is better.

[0039] In the present embodiment, it is also necessary to point out that the bolt 41, the spring and the fixed screw 43 are internal force-free components, and when selecting the original components, high-strength and durable materials should be selected.

[0040] The implementation principle of the embodiment is: the device in the embodiment is in a telescopic state when not in use, that is, the telescopic part 20 is in a telescopic state, and the overall length is relatively short. When operating, the operator selects the length of the device according to the use requirement, for example, the operator holds the hand-held round tube with one hand, and sequentially pulls the sleeve 21, so that each sleeve 21 is respectively pulled to the position hole 212 on the adjacent sleeve 21 in which the bolt 41 is inserted. At this time, the device is operated and the well lid can be operated. When the operation is completed, the operator presses the protruding bolt 41 on each sleeve 21, and pushes the operation round steel, so that the sleeve 21 enters the upper sleeve 21. At this time, the operation is completed, and the device can be stored. Therefore, according to the actual requirement, the operator can press the bolt 41 and then press the operation round steel to stretch or retract the length. According to the operation method, the operator can sequentially press the bolts 41 on different sleeves 21, and then stretch or retract according to the actual requirement. According to different operation environments, the telescopic device can be made in multiple sections.

[0041] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A retractable manhole cover opening device, characterized by, The utility model relates to a retractable manhole cover opening device, including: A handheld part (10), an operating part (30) and a telescopic part (20) connecting the handheld part (10) and the operating part (30); The telescopic part (20) is composed of several hollow cylindrical sleeves (21) which are connected in sequence, and the sleeve (21) of the upper level is inserted into the sleeve (21) of the lower level to form a telescopic structure; A limiting device (40) is arranged between the connecting end of each adjacent two sleeves (21), and one of the sleeves (21) is locked in the limiting device (40) through the vertical relative sliding between the sleeves (21).

2. The retractable manhole cover opening device according to claim 1, wherein The upper end of the uppermost sleeve (21) is connected with the handheld part (10); The lower end of the lowermost sleeve (21) is connected with the operating part (30).

3. The retractable manhole cover opening device according to claim 2, wherein The limiting device (40) comprises a bolt (41) and an elastic member (42); The outer wall of the sleeve (21) of the upper level is provided with a containing groove (211), the bolt (41) is movably inserted into the containing groove (211), and the elastic member (42) connects the bolt (41) and the groove bottom of the containing groove (211); The outer wall of the sleeve (21) of the lower level is provided with a positioning hole (212) for inserting the bolt (41).

4. The retractable manhole cover opening device according to claim 3, wherein The inner wall of the sleeve (21) is provided with a guide groove (213) which is communicated with the positioning hole (212); The guide groove (213) extends along the length direction of the sleeve (21); The bolt (41) vertically slides along the guide groove (213).

5. The retractable manhole cover opening device according to claim 4, wherein The elastic member (42) comprises a spring, one end of the spring is connected with the groove bottom of the containing groove (211), and the other end of the spring is connected with the bolt (41).

6. The retractable manhole cover opening device according to claim 5, wherein The bolt (41) is provided with a fixed screw hole along the radial direction and penetrating through both sides thereof; The bolt (41) is inserted into the inner quarter of the spring, and the two ends of the bolt (41) after being screwed into the fixed screw hole are connected with the two sides of the spring respectively through a fixed screw (43).

7. The retractable manhole cover opening device according to claim 1, wherein The handheld part (10) comprises a handheld circular tube which is vertically arranged with the telescopic part (20).

8. The retractable manhole cover opening device according to claim 1, wherein The operating part (30) comprises an operating circular steel which is vertically arranged with the telescopic part (20).

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